[KoRn]

All very true. There’s so much more involved with our existence here than the planet being in a “Goldilocks Zone”. Take away our Moon and Plate Tectonics, and we probably wouldn’t be here, yet we’d still be in the magical “Goldilocks Zone”. I’m sure Jupiter has kept us here longer than we otherwise would have been.

[GonzoGOP]

I’m sure Jupiter has kept us here longer than we otherwise would have been.

Not so much kept the planet in its current orbit, but it has kept the Dino-smashing rocks down to one every 65 million years or so. Jupiter sweeps up a lot of junk in the solar system. And a lot of what it doesn't sweep up it throws out of the plane of the ecliptic where it can't hurt us. If we were getting a KT Killer every 10 million years instead of 65 millioon nothing more complex than an ameoba would be around.

[The KG9 Kid]

"... I’m sure Jupiter has kept us here longer than we otherwise would have been."

Could also be that our Jovial father has been trying to kill us all this time by slinging bullets from the Oort Cloud at our heads.

[Sherman Logan]

Venus is just on the inner edge of the solar system’s Goldilocks Zone, and Mars is just outside it.

No chance of life as we know it on Venus, despite its being almost the same size as Earth, and little chance on Mars.